| 单词 |
psydracium |
| 释义 |
‖ psydracium Path.|psɪˈdreɪsɪəm|
Pl. -ia.
[med.L., ad. Gr. ψυδράκιον a white blister on the tongue-tip, said to be caused by lying, a lie-blister, dim. of ψύδραξ, L. psydrax, pl. psydraces, f. ψυδρός lying, false.]
(See quots.)
1693tr. Blancard's Phys. Dict. (ed. 2), Psydracia,..are little Ulcers of the Skin of the Head, like those which are wont to burn the Skin. [Ibid., Psydraces,..are little Pustles or Pimples, which break out upon the Skin, like Bubbles, by reason of the Winter Cold.] 1726Quincy Lex. Phys.-Med., Psydracium, is a pointed white Pustule or Tumor upon the Skin, containing a serous Humour. 1842in Dunglison Med. Lex. 1890in Billings Nat. Med. Dict.
Hence psyˈdracious a. (erron. -eous), pertaining to or of the nature of psydracia.
1822–34Good's Study Med. (ed. 4) IV. 473 note, Psydracious pustules may accidentally present themselves. 1842Burgess tr. Cazenave's Man. Dis. Skin 138 The successive development of psydraceous pustules. 1858in Mayne Expos. Lex. 1890Billings Nat. Med. Dict., Psydracious. |
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